"If your head's not telling you that, then maybe you're in the wrong head," maintains Jessica Hynes's Siobhan, the perfectly appalling and convincing head of brand in this exquisite Olympics satire, which started out of the blocks slowly before flourishing into one of the best BBC sitcoms in yonks.

Hugh Bonneville and Olivia Colman also excel as the will-they, won't-they boss and PA. Gold-standard comedy.